<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page,index) in pages" :key="index">
        <div class="icon" v-for="(item,index) in page" :key="index">
          <div class="icon-img">
            <img :src="item.imgUrl" class="icon-img-content">
          </div>
          <p class="icon-desc">热门景点</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props:{
     list:Array
  },
  data(){
    return{
       swiperOption:{
         autoplay:false
       }
    }
  },
  computed:{
    pages(){
      const pages=[];
      this.list.forEach((item,index)=>{
         //page为轮播图的第几页  Math.floor函数为向下取整
        const page=Math.floor(index/8);
        if(!pages[page]){
          pages[page]=[];
        }
        pages[page].push(item);
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  @import '~styles/mixins.styl'
  .icons >>> .swiper-container
    height: 0
    padding-bottom: 50%
  .icons
    margin-top: .1rems
    .icon
      position: relative
      overflow: hidden
      float: left
      width: 25%
      height: 0
      padding-bottom: 25%
      min-width:0
      .icon-img
        position: absolute
        top: 0
        left: 0
        right: 0
        bottom: .44rem
        box-sizing: border-box
        padding: .1rem
        .icon-img-content
          display: block
          margin: 0 auto
          height: 100%
      .icon-desc
        position: absolute
        left: 0
        right: 0
        bottom: 0
        height: .44rem
        line-height: .44rem
        text-align: center
        color: $darkTextColor
        ellipsis()
</style>
